在matlab2014之后，wavirecord函数被audiorecorder函数取代，要实现替换，可以做以下操作：
x=wavrecord(Fs,Fs);
with the following
% create the recorder
recorder=audiorecorder(Fs,8,1);
% record one second of data
record(recorder,1);
% get the samples
x = getaudiodata(recorder);
转载自https://cn.mathworks.com/matlabcentral/answers/165279-how-to-change-wavrecord-to-audiorecorder?
